Higher-order aberrations were corrected by around 75% in eyes with keratoconus fitted with Zenlens Chroma HOA, according to data presented at the Global Specialty Lens Symposium.“Patients with ...

Please provide your email address to receive an email when new articles are posted on . A novel bilateral LASIK technique based on modulation of spherical aberration showed efficacy as a treatment for ...

Light travels at different speeds based on the medium it passes through. For example, in a vacuum, it travels at 3.0 × 10^8 m/s in a straight line. But when directed towards glass, air, diamond, water ...

In antiquity, we see examples of magnifying crystals formed into a biconvex shape as early as the 7th century BC. Whether the people of that period used them either for fire-starting purposes or ...

Given that vintage glass is not only holding its value but getting more expensive, digitally recreating some of that classic look digitally is a sound option. It also comes with an undo button. When ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...